Definition of "purposely"

[T]hey would ſay [...] that I had quarrell'd / My brother purpoſely, thereby to finde / An apt pretext, to baniſh them my houſe.

1598, Benjamin Jonson [i.e., Ben Jonson], “Euery Man in His Humour. A Comœdie. […]”, in The Workes of Ben Jonson (First Folio), London: […] Will[iam] Stansby, published 1616, Act II, scene i, page 21